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Toxins and Pathogens: Implications for Immunity

Learn about the production, types, and effects of toxins, their role in immunity, lethal doses, and tissue tropism of pathogens. Discover how pathogens attach to specific molecules on cells and their superantigen properties.

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Toxins and Pathogens: Implications for Immunity

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  1. Toxin production: Endotoxin Exotoxin • Toxines are strong immunogenes  Ab production Dosis letalis < Dosis immunosatoria minima  Death or recovery without immunity Some toxines  Superantigens

  2. Receptor molecules • Pathogenes may attach to specific molecules on the cells Alpha-dystroglycon on Schwann cells acts as a receptor for M. Leprae • Tissue tropism Mo can multiply on the cell

  3. In respiratory tract

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